The Bootdoc XLP 1P PFI 50 Classic Comfort Tech Socks come with a heating element and highest comfort, perfect fit and ideal heat distribution. The toe and ball of the foot can be heated and the zones on the toe and heel are reinforced. 

FeaturesThe unique performance of the Bootdoc Power Fit Socks with integrated heating element provides the highest comfort, fit and ideal heat distributionSimply attach the battery packs to the heating socks on the inner cuff using the snap fastenersHeat output adjustable via 4 levels directly on the battery pack, including a Power Boost heating level for short term extra heat (approx. 3 minutes)Heated toe and ball area with reinforcement in toe and heel areaExternal heating element for more comfort2-layer cuff design for additional protection and support for the battery pack